One or more of the sensor controls remain(s) covered for longer than approx. 10 s, e.g. due to finger contact, food boiling over or an object being placed over it/them.
Clean the control field or remove the object(s).
The F goes out.
Switch the hob on again with the ON/OFF sensor control.
The induction hob can now be used again as normal.
Consult the operating instructions for further information.
If the fault persists, please contact Miele Customer Service or book a repair appointment online.